Solve the problem.To get a B in biology, Katie must average 81 on five lab reports. Scores on the first four lab reports were 91, 77, 78, and 80. What is the lowest score that Katie can get on the last lab report and still receive a B?
A. 75
B. 82
C. 79
D. 81
Answer: C
Mathematics
You might also like to view...
Solve for the variable.
+ 
= - 
A. x = - 
B. x = - 
C. x = - 
D. x = 
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 4x
A. f-1(x) = 4x
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = -4x
Mathematics
Complete.279 mi = 
km (Round to the nearest thousandth.)
A. 504.711 B. 155.000 C. 448.911 D. 173.400
Mathematics
Change the percent to a fraction or a mixed number in lowest terms.
A. 
B. 
C. 
D. 
E. 
Mathematics